Rob Corddry and Leslie Bibb will star as an expectant couple who move into New Orleans’ most haunted fixer-upper, where they’re forced to enlist the aid of the Vatican’s elite exorcism team (Lennon, Garant) to save them from a demonic baby.

Darko Entertainment will finance the film, which will be produced by Darko’s Sean McKittrick, Jeff Culotta and Ted Hamm along with Peter Principato and Paul Young, as well as Garant/Lennon Prods.

Production is skedded to begin in April on location in New Orleans.

Lennon and Garant have written nine features together including the blockbuster “Night at the Museum” pics for 20th Century Fox. Scribes are currently writing “Rentaghost” for 20th Century Fox and Ben Stiller. Garant previously directed “Reno 911!: Miami” and “Balls of Fury,” which he co-wrote with Lennon, who next appears in “What to Expect When Your Expecting.”

Corddry, who is currently shooting Michael Bay’s “Pain and Gain,” will soon be seen in Summit’s “Warm Bodies,” the Weinstein Co.’s “Butter” and Focus Features’ “Seeking a Friend for the End of the World.”

Bibb, who recently starred opposite Kevin James in “Zookeeper,” can currently be seen starring on the new ABC dramedy “GCB.”

Darko Entertainment recently produced Magnolia Pictures’ upcoming release “God Bless America” and is currently developing Richard Kelly’s “Corpus Christi.” Darko is repped by CAA, which is handling the packaging and sales on “Hell Baby.”

Repped by Hansen, Jacobson, Principato-Young Entertainment is currently in pre-production on the Garant-scripted Lionsgate pic “Jessabelle.”

Lennon and Garant are repped by CAA, Principato-Young and Jackoway, Tyerman, while ICM and manager John Carrabino rep Bibb. Corddry is repped by WME, Principato-Young and Hansen, Jacobson.